module.exports = ()->

  class Module

    constructor:()->
      for module in @$modules or []
        module.apply(this, arguments)

    include:(module)->
      for key, value of module::
        @[key] = value
      module.apply(this)

    @include: (obj) ->
      @::$modules ?= []
      @::$modules.push(obj)

      for key, value of obj::
        @::[key] = value

      @